LPS-33685 PACL - prevent a circularity error in CentralizedThreadLocal
LPS-33685 SF
LPS-33689 PACL - add missing permission checks to ExpandoBridgeFactoryUtil
LPS-33691 PACL - centralize getClassLoader permission check, make sure it doesn't break any native JVM checks
LPS-33691 PACL - update the checker with the correct logic
LPS-33691 PACL - apply it
LPS-33691 SF
LPS-33692 PACL - remove unused interface from InfrastructureUtil
LPS-33696 PACL - add missing socket permission checks to HttpUtil - impl
LPS-33696 SF
LPS-33697 PACL - add missing permission checks to FileUtil - impl
LPS-33697 PACL - apply checks
LPS-33697 SF
LPS-33699 PACL - prevent FileAvailabilityUtil from causing an unnecessary FilePermission check

This is the first of many occurrences where we delegate an operation to a PrivilegedAction placing a guard around the operation which limits checking from this point to whomever issued the AC.doPrivileged call (in this case the portal-service jar)
LPS-33699 SF
Test Fixes - socialofficesite
Test Fixes - portal/permissions/messageboards
Test Fixes - portal/permissions/messageboards
Test Fixes - portal/permissions/messageboards
LPS-33699 SF